INSTALLED_APPS=(# other apps'realestate','realestate.listing','realestate.home',#django-constance'constance',# see django-constance documentation'constance.backends.database','widget_tweaks','haystack',)

Add the url patterns:

url('^',include('realestate.urls'))

Configure Constance:

CONSTANCE_CONFIG={'PROPERTIES_PER_PAGE':(16,'Properties per page'),'RECENTLY_ADDED':(6,'Recently Added'),'CONTACT_DEFAULT_EMAIL':('contact@example.com','Contact form email')}